Oozing the usual German car-making class, the sleek, sculptured BMW Concept 4 Series blends the best of the its 3 and 6 Series range. The inside is adorned with premium leather throughout and the word is that it will be full to bursting with state-of-the-art gadgetry. There are no specific power details yet, but we hear that there'll likely be the option of a 2 or 3 liter turbocharged engine that will leave almost all others in a cloud of choking dust.